Previous experiments have found a moderate, positive effect of group size on cooperation in voluntary contribution … results from n-person prisoner's dilemma and oligopoly experiments where group size has a negative effect on cooperation. In … instead be more evident in smaller groups. We test this conjecture in an experiment where we compare 2- 3- and 4-person VCM …

We experimentally investigate the nature of cooperation in various repeated games, with subjects from Romania and USA …. We find stark cross-country differences in the propensity to sustain multilateral cooperation through bilateral rewards …

We show in a public goods experiment on three continents that conditional cooperation is a universal behavioral ….S.A. than anywhere else. -- conditional cooperation ; public goods ; experiment … regularity. Yet, the number of conditional cooperators and the extent of conditional cooperation are much higher in the U …

. While there is conflicting experimental evidence on the temporal stability of cooperation preferences in public goods … literature by testing whether social identity impacts on cooperation preferences in public goods provision. Specifically, our … experiment features a within subject design based on one shot public good games in strategy method, which are carried out in …